These SQLite extension libraries provide the following functions:

Compress content into a blob using libz
(loaded with ".load libsqlitecompress.so"):
  COMPRESS, UNCOMPRESS

IPv4 functions (loaded with ".load libsqliteipv4.so"):
  ISINNET, ISSAMENET
  IP2INT, INT2IP
  NETFROM, NETTO
  NETLENGTH, NETMASKLENGTH

Shell environment functions (loaded with ".load libsqliteenv.so"):
  CURRENT_USER
  CURRENT_LOCALE
  GETENV

MD5 message-digest algorithm functions (loaded with ".load libsqlitemd5.so"):
  GROUP_MD5
  MD5
  MD5FILE

WWW: http://sqlite.mobigroup.ru/wiki?name=extensions